Review: MS Natural Ergonomic Keyboard 4000

ValourX writes "Microsoft is the only hardware company still engineering new ergonomic keyboard designs, but that doesn't mean they've gotten lazy. Their new Natural Ergonomic Keyboard 4000 is the most comfortable computer input device I have ever used. This keyboard is a must-have if you spend a lot of time typing, or if you're thinking about upgrading from an older ergonomic model."